PREHOOK: query: -- This test executes the OptrStatGroupBy hook which prints the optr level
-- stats of GROUPBY optr present is the plan of below query
SELECT count(1) FROM src
PREHOOK: type: QUERY
PREHOOK: Input: default@src
#### A masked pattern was here ####
CNTR_NAME_GBY_2_COUNT_HASH_OUT=1
500